Leveling device



sept. 7 192e. 1,599,347

L. E. PURKEY LEVELING DEVICE Filed oct. 8, 1923 WITNESS: ATTORNEY Patented Sept 119262 1,599,347 i v UNITED STATES PATENT; OFFICE. i l YLEsLiE E. PIEL-immer POCATELLO, IDAHO. l i

LEvnLINGVDEvIoE. y ip ApplicationvIed October 8, 1923; Serial No.667`,`351. 'i

rlhis invention relates to leveling devices tension is adjustable by means of a set 50 and has for an object the provision of a de- Screw 19. e vice which may be adapted for grading, The housing or casing 12 is secured upon leveling, etc., the device indicating the ina stand which includesspaced plates 20 and 6 clination Iof a ysurface or the rise and fall be# 21, connected by posts 22, the last mentioned tween any two points, the distance between plate being provided with spaced openings 55 which may vary. n 23 for the passage of fastening devices,

Another object of the invention is the whereby inmay be removably attached to provision of a device which may be adapted a support, if' desired. n u

l for use as an ordinary spirit level, or for As stated, the containers Aare arranged use as a surveyors level between spaced in pairs and are connected by -means of a 150 points.y i A flexibletube 26, controlled by a valve 26a.

'With the above and other objects in view, Each'of the transparent sleeves 12 is gradthe invention further includes the following-v uated as shown at 27, the graduations startnovel features and details of construction, ing at zero atthe mid portion of the tube to be hereinafter more fully'described, iland running' in opposite directions. 65 lustrated in the accompanying drawlngs The transparent sleeves 12 areadapted and pointed out in the appended claim. to contain a suitable non-freezing liquid In the drawings and when in use, the difference between lev-` Figure 1 is an elevation showing a pair els may be read upon the graduations 27.

of containers flexibly connected to provide While the flexible tube 26 is shown as eX- 70 a leveling device constructed in laccordance tending from the bottom of thecontainers, with the invention. y p n l it isl obvious lthat, it may be'extendedfromv Figure 2 is a view of one of the containers the side at the bottom. y v and its support. f l l Pressure is relieved within sleeves 12 vby Figure 3 is a plan view of the same. pressing upon the plugs 17, which are held 75 Figure 4C is a vertical sectional view taken seated by screws 19 and springs 18, where' through a container and supporting means upon liquid within the said sleeves will seek therefor. its' proper level.

Referring to the drawings in detail where- The invention is susceptible of various in like characters of reference (denote correchanges in 4itsform,proportions and minor 80 spending parts, the inventionl is shown as details of construction and the right is heren comprising a pair of containers designated in reserved tol make such changes as propgenerally at A and comprising a casing 10 erly fall within the scope of the appendedr which is open at each end and which is cut claim. away as Vat 11 to `provide a sightl opening- `Having described the invention what is 85 Located within the. casing is a transparent claimed is tube or sleeve12 which is held in position A leveling instrument of the character del within the casing by providing at one end scribed comprising a pair of spaced and a cap or closure 13, whose threaded neck 1-1 communicating graduated liquid containers, is removably positioned within one end of each container embodying a cylindrical cas- 90 the casing 10. The opposite end of the ing cut away uponone side to provide a sleeve 12 is closed by a plug or cap 15 which sight opening, a translucent tubular meml has interposed between it and the end of the ber positioned within each of the casings sleeve a gasket 16 to prevent leakage. z and providing graduations visible through The cap 13 is provided with a centrally the sight cpenings and registering with the 95 arranged opening which is normally closed graduations thereon, removable closures arby a'plu 17, the latter being held in closed ranged uponthe opposite ends of the casposition by means of a spring arm 18 whose ings for holdlng the tubular members therein, relief plugs having their Shanks extendingupwardly from the uppermost closures and having their heads positioned Within seats provided on the underside ot' the reo speetve upper closures, substantially o'lset and apertured Spring fingers arranged uponv the upper Side of corresponding closures and receiving the Shanks of the plugs Within the apertured portions thereof, and knobs threadedhl secured/to the Shanks of the 10 plugs for regulating the tension of the spring fingers in the Seating of the plugs substantially as Set forth.

In testimony whereof I ai'lX my signature.

LESLIE E. PURKEY, 

